Development of a 100 W rechargeable bipolar zinc/oxygen battery

被引:39
作者
Muller, S [1 ]
Haas, O
Schlatter, C
Comninellis, C
机构
[1] Paul Scherrer Inst, CH-5232 Villigen PSI, Switzerland
[2] Swiss Fed Inst Technol, CH-1015 Lausanne, Switzerland
关键词
bipolar zinc/oxygen battery; zinc plated copper foam; bifunctional oxygen electrode;
D O I
10.1023/A:1003267700824
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
A bipolar filter press-type electrically rechargeable Zn/O-2 battery has been developed. Reticulated copper foam served as substrate for the zinc deposit on the anodic side, and La0.6Ca0.4CoO3-catalysed bifunctional oxygen electrodes were used on the cathodic side of the cells. The 100 cm(2) unit cell had an open circuit voltage of 1.4V (O-2) in moderately alkaline electrolyte. The open circuit voltage and the peak power measured for a stack containing seven cells were similar to 10 V and similar to 90 W, respectively. The current-potential behaviour was determined as a function of the number of bipolar cells, and the maximum discharge capacity was determined at different discharge rates.
引用
收藏
页码:305 / 310
页数:6
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